A radiation worker not wearing protective apparel spends 10 minutes inside an enclosed area. The exposure rate was 100 mrem/hour. What dose did he receive?

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Multiple Choice

A radiation worker not wearing protective apparel spends 10 minutes inside an enclosed area. The exposure rate was 100 mrem/hour. What dose did he receive?

Explanation:
Dose is found by multiplying the exposure rate by the exposure time. Here, 100 mrem per hour for 10 minutes. Convert 10 minutes to hours: 10/60 = 0.1667 hour. Multiply: 100 mrem/hour × 0.1667 hour ≈ 16.7 mrem. Convert to millisieverts: 16.7 mrem equals 0.0167 rem, and since 1 rem equals 10 mSv, that’s 0.167 mSv (about 0.17 mSv).

Dose is found by multiplying the exposure rate by the exposure time. Here, 100 mrem per hour for 10 minutes. Convert 10 minutes to hours: 10/60 = 0.1667 hour. Multiply: 100 mrem/hour × 0.1667 hour ≈ 16.7 mrem. Convert to millisieverts: 16.7 mrem equals 0.0167 rem, and since 1 rem equals 10 mSv, that’s 0.167 mSv (about 0.17 mSv).

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